Hey guys im new to the wonderful world of third gens and had a quick question. While poking around in the engine bay i noticed metal tubing coming out of the exhaust manifolds heading towards the back of the engine. The cars an ex california car so maybe emissions junk i could just remove? Any help would be great!

1st cav

Thats the air injection "smog pump" It pumps air into the exhaust to warm up the cat(s) faster when the engines cold and there also should be line going to that cats that pumped air to the cats when the engine is warmed up